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游客
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昨天,通过了642-813.题库很稳定,没出现过新题。无线和语音,可以不用看,基本不考或只考一题。把重点放在mix题目上。
) F8 T' @0 W- C- N6 _在LACP实验中,端口不协商命令敲不上,生成树修剪也敲不上。' Q9 x. N# c/ X$ f1 \% x
答案的确认:
% q, Y# ]* f9 y: e1.syslog priority(highest to lowest)
7 ^7 z/ s4 r; D emergency alert critical warning notice informational debug
3 U" a; } l) J( M2.Which two statements correctly describe characteristics of the portFast feature?(choose two)5 v: O/ A2 A! I1 K
A. STP is disable on the port6 u3 ]+ f) u$ C' L3 S6 j( U
B. PortFast can also be configured on trunk ports4 }) I/ {9 V. A) h6 ?, C6 @2 t3 O
C. PortFast is needed to enable port-based BPDU guard: ?- ^9 {& T' t, M4 E
D. PortFast is used for STP and RSTP host ports
0 S9 {& Q7 E a1 bE. PortFast is used for STP-only host ports
3 e2 V. _ b1 b* f0 m答案是BD。 i7 i5 Z- @# o1 E5 j+ |! N) ^ k8 x) P
! j2 x$ c3 p4 f+ D
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